catletan catletan

29-05-2017
Mathematics

contestada

What are the zeros of the quadratic function f(x) = 2x^2 + 16x – 9

Respuesta :

ghanami ghanami

02-06-2017

hello :
2x²+16x-9 = 0
Δ = 16²-4(2)(-9) = 256 +72 = 328
x = (-16+√328)/4

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